Rules
When adding/subtracting fractions and comparing, do you need to find the least common multiple(lcm)
Yes
Add 1/2 + 3/4 as a mixed number or improper fraction
5/4 or 1 1/4
Add the decimals: 1.46 + 1.21
2.67
1/8 x 3/5
3/40
Find an equivalent fraction pair for 5/9 and 1/2
10/18 and 9/18
When adding and multiplying decimals, what's the most important step when solving?
Line up the decimals.
Add 1/2 + 1/4
3/4
Multiply the decimals: 25.7 x 5.8
149.06
3/4 x 4/5 in simplest form
3/5
1/2 and 2/3
3/6 < 4/6
When subtracting decimals, is it important to write the larger number one top?
Yes
Subtract 7/10 - 1/5
1/2
Subtract 4.52 - 2.001
2.519
Add the fractions 2 3/5 + 3 1/2 in simplest form as a mixed number
6 1/10
1 3/8 - = 5/8
3/4
When dividing fractions what are the steps
1. Keep the first number the same.
2. Change division to multiplication.
3. Flip the second fraction
4. Multiply across: numerator and numerator, denominator and denominator
Subtract 2 1/8 - 1 1/4
7/8
Divide the decimals: 6.3 divided by 75
11.9
Subtract the fractions 2 1/8 - 1/4 in simplest form as a mixed number
1 7/8
2/5 x = 4/20
2/4
When multiplying decimals how do you decide where to put the decimal
You count the number of digits (numbers) after each decimal point. Ex:4 Then you count that many places in the answer and that is where the decimal point goes.
Martin is making muffins. He used 1.5 cups of flour. The other dry ingredients he used were 2/5 the amount of the flour. What is the total amount of the dry ingredients he used.
2.1 cups
It rained 0.16 inches on Monday. On Tuesday, it rained 0.09 inches less than on Monday. How much did it rain on Tuesday?
0.7 inches
Of the flags in Spencer's Flag Shop, 3/10 are white and another 1/2 are orange. What fraction of the flags are either white or orange?
8/10 are white or orange
Barry